Table 2.
Effects of two housing systems on blood serum parameters of hens from 32 to 40 weeks of age.
| Housing System 1 | T-CH, mmol/L | TG, mmol/L | MDA, ng/mL |
CORT, ng/mL | GSH-Px, ng/mL | SOD, ng/mL |
CK, ng/mL |
|---|---|---|---|---|---|---|---|
| NRS | 4.01 ± 0.62 | 5.48 ± 0.70 | 48.02 ± 3.22 b | 106.73 ± 10.36 | 24.84 ± 3.95 a | 48.25 ± 6.25 a | 272.81 ± 21.50 |
| LRS | 4.19 ± 0.56 | 6.03 ± 0.77 | 54.28 ± 4.31 a | 113.45 ± 11.39 | 16.72 ± 2.81 b | 35.73 ± 5.07 b | 259.60 ± 25.39 |
1 NRS, plastic-net housing system; LRS, floor-litter housing system; a,b.Means with different superscripts within each column are significantly different (p < 0.05).